[swift-evolution] [Review] SE-0122: Use colons for subscript declarations

Goffredo Marocchi panajev at gmail.com
Wed Jul 20 01:54:39 CDT 2016

Sent from my iPhone

> On 20 Jul 2016, at 06:50, Chris Lattner via swift-evolution <swift-evolution at swift.org> wrote:
> Hello Swift community,
> The review of "SE-0122: Use colons for subscript declarations " begins now and runs through July 24. The proposal is available here:
>    https://github.com/apple/swift-evolution/blob/master/proposals/0122-use-colons-for-subscript-type-declarations.md
> Reviews are an important part of the Swift evolution process. All reviews should be sent to the swift-evolution mailing list at
>    https://lists.swift.org/mailman/listinfo/swift-evolution
> or, if you would like to keep your feedback private, directly to the review manager.
> What goes into a review?
> The goal of the review process is to improve the proposal under review through constructive criticism and contribute to the direction of Swift. When writing your review, here are some questions you might want to answer in your review:
>    * What is your evaluation of the proposal?

I am quite against this change as it changes an understandable albeit some people may not think of it as perfect syntax with a syntax that is IMHO confusing actually. 

The -> symbol in much of Swift, especially in methods and method like bits like this one, is clearly understood as specifying what is being returned to the caller while the :  symbol is more prevalently associated with protocol conformance and subclassing for example.

>    * Is the problem being addressed significant enough to warrant a change to Swift?

No, as I do not feel there is a problem actually.

>    * Does this proposal fit well with the feel and direction of Swift?

No, the change is unnecessary in my opinion and not an improvement over what the language offers.

>    * If you have used other languages or libraries with a similar feature, how do you feel that this proposal compares to those?

I do not think any language I have used would mix conformance/subtyping with the syntax for returning arguments.

>    * How much effort did you put into your review? A glance, a quick reading, or an in-depth study?

Followed the e-mail thread and read the proposal.

> More information about the Swift evolution process is available at
>    https://github.com/apple/swift-evolution/blob/master/process.md
> Thank you,
> -Chris Lattner
> Review Manager
> _______________________________________________
> swift-evolution mailing list
> swift-evolution at swift.org
> https://lists.swift.org/mailman/listinfo/swift-evolution
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